I purchased a used humidor that came with one of these. Anyone know anything about them or how they work?
Here's a link to an ebay auction that had one:
http://www.ebay.com.au/itm/HERMIT-COPPERSTONE-KEEPING-IT-HUMID-WET-STONE-FOR-TOBACCO-OR-CIGARS-/230940342424?ViewItem=&item=230940342424&nma=true&si=O5o5%252BMPSDe%252B3cDVdP22Uo%252F0l6TM%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557
Here's a link to an ebay auction that had one:
http://www.ebay.com.au/itm/HERMIT-COPPERSTONE-KEEPING-IT-HUMID-WET-STONE-FOR-TOBACCO-OR-CIGARS-/230940342424?ViewItem=&item=230940342424&nma=true&si=O5o5%252BMPSDe%252B3cDVdP22Uo%252F0l6TM%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557